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diagnostics: support --color=html

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Based on a message from Bruno Haible.
https://git.savannah.gnu.org/gitweb/?p=gettext.git;a=commitdiff;h=fe18e92743b7226791a5f28d7c786941a1bf8cc9

This does not generate proper HTML: special characters are not escaped
for instance.  This is a hidden feature meant for Bison developers,
not end users.

* src/complain.c (complain_init_color): Support --color=html.
This commit is contained in:
Akim Demaille
2019-05-07 08:41:29 +02:00
parent cd56929097
commit 23e536af49
1 changed files with 19 additions and 2 deletions
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21
src/complain.c
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@@ -252,6 +252,7 @@ complain_init_color (void)
{
#if HAVE_LIBTEXTSTYLE
if (color_mode == color_yes
|| color_mode == color_html
|| (color_mode == color_tty && isatty (STDERR_FILENO)))
{
style_file_prepare ("BISON_DIAGNOSTICS_STYLE", NULL,
@@ -268,9 +269,25 @@ complain_init_color (void)
style_file_name = NULL;
#endif
/* Workaround clang's warning (starting at Clang 3.5) about the stub
code of html_styled_ostream_create:
| src/complain.c:274:7: error: code will never be executed [-Werror,-Wunreachable-code]
| ? html_styled_ostream_create (file_ostream_create (stderr),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~ */
#if defined __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunreachable-code"
#endif
errstream =
styled_ostream_create (STDERR_FILENO, "(stderr)", TTYCTL_AUTO,
style_file_name);
color_mode == color_html
? html_styled_ostream_create (file_ostream_create (stderr),
style_file_name)
: styled_ostream_create (STDERR_FILENO, "(stderr)", TTYCTL_AUTO,
style_file_name);
#if defined __clang__
# pragma clang diagnostic pop
#endif
}
void